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<li>&#x68C0;&#x67E5;&#x670D;&#x52A1;&#x5668;&#x7684;&#x914D;&#x7F6E;&#x662F;&#x5426;&#x6B63;&#x786E;&#xFF0C;&#x4F8B;&#x5982;&#x662F;&#x5426;&#x88AB;&#x66F4;&#x6539;&#x8FC7;&#x6216;&#x670D;&#x52A1;&#x5668;&#x91CD;&#x542F;&#x540E;&#x914D;&#x7F6E;&#x9700;&#x8981;&#x91CD;&#x65B0;&#x6267;&#x884C;&#x751F;&#x6548;&#x3002;&#x4F8B;&#x5982;&#x4F7F;&#x7528;ulimit&#x67E5;&#x770B;&#x3002;</li>
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<h3 id="&#x5E94;&#x7528;&#x670D;&#x52A1;&#x4E2D;&#x95F4;&#x4EF6;&#x68C0;&#x67E5;"><a name="&#x5E94;&#x7528;&#x670D;&#x52A1;&#x4E2D;&#x95F4;&#x4EF6;&#x68C0;&#x67E5;" class="anchor-navigation-ex-anchor" href="#&#x5E94;&#x7528;&#x670D;&#x52A1;&#x4E2D;&#x95F4;&#x4EF6;&#x68C0;&#x67E5;"><i class="fa fa-link" aria-hidden="true"></i></a><a name="&#x5E94;&#x7528;&#x670D;&#x52A1;&#x4E2D;&#x95F4;&#x4EF6;&#x68C0;&#x67E5;" class="plugin-anchor" href="#&#x5E94;&#x7528;&#x670D;&#x52A1;&#x4E2D;&#x95F4;&#x4EF6;&#x68C0;&#x67E5;"><i class="fa fa-link" aria-hidden="true"></i></a>&#x5E94;&#x7528;&#x670D;&#x52A1;&#x4E2D;&#x95F4;&#x4EF6;&#x68C0;&#x67E5;</h3>
<p><strong>Jdk</strong></p>
<ol>
<li>&#x68C0;&#x67E5;tomcat&#x4F7F;&#x7528;&#x7684;jdk&#x662F;&#x5426;&#x6B63;&#x786E;&#x3002;&#x4E00;&#x53F0;&#x670D;&#x52A1;&#x5668;&#x53EF;&#x80FD;&#x5B58;&#x5728;&#x591A;&#x4E2A;jdk&#xFF0C;&#x4E0D;&#x540C;&#x7248;&#x672C;&#x4E0D;&#x540C;&#x4F4D;&#x6570;&#xFF0C;&#x4E0D;&#x540C;&#x4EBA;&#x5728;&#x540C;&#x4E00;&#x53F0;&#x670D;&#x52A1;&#x5668;&#x4E0A;&#x90E8;&#x7F72;&#x591A;&#x4E2A;&#x9879;&#x76EE;&#x7684;jdk&#xFF0C;&#x591A;&#x4EBA;&#x4FEE;&#x6539;&#x5168;&#x5C40;jdk&#x914D;&#x7F6E;&#x53EF;&#x80FD;&#x5BFC;&#x81F4;&#x4E0D;&#x53EF;&#x9884;&#x77E5;&#x7684;&#x8986;&#x76D6;&#x9519;&#x8BEF;&#x3002;&#x5EFA;&#x8BAE;&#x5728;tomcat&#x4E2D;&#x914D;&#x7F6E;&#x79BB;&#x7EBF;JDK&#x5305;&#x7684;&#x8DEF;&#x5F84;&#xFF0C;JDK_HOME&#x548C;JRE_HOME&#x3002;</li>
</ol>
<p><strong>Tomcat</strong></p>
<ol>
<li>&#x68C0;&#x67E5;tomcat&#x7AEF;&#x53E3;&#x3001;&#x8FDE;&#x63A5;&#x6570;&#x3001;jvm&#x8FD0;&#x884C;&#x53C2;&#x6570;&#x7B49;&#x914D;&#x7F6E;&#x662F;&#x5426;&#x6B63;&#x786E;&#xFF0C;&#x4F8B;&#x5982;JAVA_OPTS&#x3002;&#x6CE8;&#x610F;&#xFF0C;&#x5728;&#x751F;&#x4EA7;&#x73AF;&#x5883;&#xFF0C;&#x5E94;&#x5C3D;&#x91CF;&#x907F;&#x514D;&#x5728;&#x8FD0;&#x884C;&#x53C2;&#x6570;&#x4E2D;&#x6DFB;&#x52A0;&#x76D1;&#x63A7;&#x53C2;&#x6570;&#xFF0C;&#x4F8B;&#x5982;&#x65AD;&#x70B9;&#x3002;</li>
<li>&#x68C0;&#x67E5;tomcat&#x7684;&#x865A;&#x62DF;&#x76EE;&#x5F55;&#x914D;&#x7F6E;&#x662F;&#x5426;&#x6B63;&#x786E;</li>
<li>&#x68C0;&#x67E5;tomcat&#x65E5;&#x5FD7;&#xFF0C;&#x65E5;&#x5FD7;&#x8D85;&#x8FC7;200~500mb&#x540E;&#xFF0C;&#x7528;&#x8BB0;&#x4E8B;&#x672C;&#x57FA;&#x672C;&#x6253;&#x4E0D;&#x5F00;&#xFF0C;&#x5728;&#x6392;&#x67E5;&#x95EE;&#x9898;&#x65F6;&#xFF0C;&#x5E94;&#x8BE5;&#x6CE8;&#x610F;&#x65E5;&#x5FD7;&#x6587;&#x4EF6;&#x4E0D;&#x5E94;&#x8BE5;&#x592A;&#x5927;&#x3002;</li>
<li>Tomcat&#x65E5;&#x5FD7;&#x68C0;&#x67E5;&#x65F6;&#xFF0C;&#x7B2C;&#x4E00;&#x6B65;&#x5E94;&#x8BE5;&#x68C0;&#x67E5;&#x542F;&#x52A8;&#x65F6;&#x4E00;&#x4E9B;&#x65E5;&#x5FD7;&#x662F;&#x5426;&#x6B63;&#x786E;&#x3002;&#x5E94;&#x7528;&#x65E5;&#x5FD7;&#x7684;&#x6392;&#x67E5;&#x53E6;&#x63D0;&#x3002;</li>
</ol>
<p><strong>Mysql</strong></p>
<ol>
<li>&#x6392;&#x67E5;mysql&#x670D;&#x52A1;&#x6240;&#x5728;&#x670D;&#x52A1;&#x5668;&#x7684;&#x78C1;&#x76D8;&#x7A7A;&#x95F4;&#x3001;&#x78C1;&#x76D8;&#x8BFB;&#x5199;&#x3001;&#x5185;&#x5B58;&#x6D88;&#x8017;&#x7B49;&#x662F;&#x5426;&#x6B63;&#x5E38;&#x3002;</li>
<li>&#x6392;&#x67E5;mysql&#x670D;&#x52A1;&#x5668;&#x7684;&#x914D;&#x7F6E;&#xFF0C;&#x5E38;&#x89C1;&#x7684;&#x5982;&#x6700;&#x5927;&#x8FDE;&#x63A5;&#x6570;max_connection&#xFF0C;&#x662F;&#x5426;&#x8FDE;&#x63A5;&#x6570;&#x5C0F;&#x4E8E;&#x5E94;&#x7528;&#x670D;&#x52A1;&#x914D;&#x7F6E;&#xFF0C;&#x5BFC;&#x81F4;&#x8FDE;&#x63A5;&#x88AB;&#x62D2;&#x7EDD;&#x6216;&#x8D85;&#x65F6;&#x3002;</li>
<li>&#x6392;&#x67E5;&#x6162;&#x65E5;&#x5FD7;&#xFF0C;&#x662F;&#x5426;&#x53D1;&#x751F;&#x963B;&#x585E;&#x5BFC;&#x81F4;&#x8FDE;&#x63A5;&#x8D85;&#x65F6;</li>
<li>&#x4F7F;&#x7528;navicat&#x7684;server&#x76D1;&#x63A7;&#x76D1;&#x63A7;&#x5E38;&#x89C1;&#x7684;&#x4E00;&#x4E9B;&#x95EE;&#x9898;&#x3002;</li>
<li>Mysql&#x53C2;&#x6570;&#x4F18;&#x5316;&#x914D;&#x7F6E;&#xFF0C;&#x53E6;&#x63D0;&#x3002;</li>
</ol>
<p><strong>redis</strong></p>
<ol>
<li>&#x6392;&#x67E5;redis&#x7684;&#x5185;&#x5B58;&#x914D;&#x7F6E;&#x662F;&#x5426;&#x8DB3;&#x591F;</li>
<li>redis&#x8BE6;&#x7EC6;&#x53C2;&#x6570;&#x8C03;&#x4F18;&#x914D;&#x7F6E;&#xFF0C;&#x53E6;&#x63D0;&#x3002;</li>
</ol>
<h3 id="&#x5E94;&#x7528;&#x670D;&#x52A1;&#x68C0;&#x67E5;"><a name="&#x5E94;&#x7528;&#x670D;&#x52A1;&#x68C0;&#x67E5;" class="anchor-navigation-ex-anchor" href="#&#x5E94;&#x7528;&#x670D;&#x52A1;&#x68C0;&#x67E5;"><i class="fa fa-link" aria-hidden="true"></i></a><a name="&#x5E94;&#x7528;&#x670D;&#x52A1;&#x68C0;&#x67E5;" class="plugin-anchor" href="#&#x5E94;&#x7528;&#x670D;&#x52A1;&#x68C0;&#x67E5;"><i class="fa fa-link" aria-hidden="true"></i></a>&#x5E94;&#x7528;&#x670D;&#x52A1;&#x68C0;&#x67E5;</h3>
<ol>
<li>&#x68C0;&#x67E5;&#x7A0B;&#x5E8F;&#x7684;&#x6253;&#x5305;&#x914D;&#x7F6E;&#x662F;&#x5426;&#x6B63;&#x786E;&#xFF0C;&#x4E00;&#x5B9A;&#x8981;&#x786E;&#x8BA4;&#x518D;&#x786E;&#x8BA4;&#xFF0C;&#x8FD9;&#x90E8;&#x5206;&#x662F;&#x9519;&#x8BEF;&#x4E3B;&#x8981;&#x5B58;&#x5728;&#x7684;&#x5730;&#x65B9;&#x3002;&#x53EF;&#x5C06;war&#x5305;&#x89E3;&#x538B;&#x6216;&#x5728;tomcat&#x5DF2;&#x89E3;&#x538B;&#x7684;&#x76EE;&#x5F55;&#x4E2D;&#x67E5;&#x770B;&#x914D;&#x7F6E;&#x662F;&#x5426;&#x6B63;&#x786E;&#x3002;</li>
<li>&#x4F7F;&#x7528;jvisualVM&#x68C0;&#x67E5;&#x5E94;&#x7528;&#x4F7F;&#x7528;&#x7684;&#x5185;&#x5B58;&#x3001;CPU&#x3001;&#x7F51;&#x5361;IO&#x3001;&#x78C1;&#x76D8;&#x8BFB;&#x5199;&#x7B49;&#x60C5;&#x51B5;&#x3002;</li>
<li>&#x68C0;&#x67E5;&#x5783;&#x573E;&#x56DE;&#x6536;&#x914D;&#x7F6E;&#x662F;&#x5426;&#x6B63;&#x786E;&#x3002;</li>
<li>&#x68C0;&#x67E5;&#x5185;&#x5B58;&#x548C;cpu&#x7684;&#x5173;&#x7CFB;&#x60C5;&#x51B5;&#xFF0C;&#x4E00;&#x822C;&#x9700;&#x8981;&#x76D1;&#x63A7;&#x4E00;&#x4E2A;&#x5C0F;&#x5468;&#x671F;&#x3002;Cpu&#x662F;&#x5426;&#x5B58;&#x5728;&#x5927;&#x91CF;&#x6296;&#x52A8;&#xFF0C;&#x5185;&#x5B58;&#x662F;&#x5426;&#x5B58;&#x5728;&#x65E0;&#x6CD5;&#x56DE;&#x6536;&#xFF08;&#x7F13;&#x6162;&#x6216;&#x6301;&#x7EED;&#x589E;&#x957F;&#xFF09;&#x7B49;&#x3002;</li>
<li><p>&#x67E5;&#x770B;&#x7EBF;&#x7A0B;&#x8FD0;&#x884C;&#x60C5;&#x51B5;&#xFF0C;&#x68C0;&#x67E5;&#x7EBF;&#x7A0B;&#x6570;&#x662F;&#x5426;&#x8FC7;&#x591A;&#xFF0C;&#x7EBF;&#x7A0B;&#x662F;&#x5426;&#x5927;&#x91CF;&#x963B;&#x585E;blocked&#x7B49;&#x3002;</p>
</li>
<li><p>&#x5E38;&#x89C1;&#x7684;&#x60C5;&#x51B5;&#xFF1A;</p>
<p>a) &#x7EBF;&#x7A0B;&#x963B;&#x585E;&#xFF0C;&#x5BFC;&#x81F4;cpu&#x98DA;&#x9AD8;&#xFF0C;&#x751A;&#x81F3;100%</p>
<p>b) &#x5185;&#x5B58;&#x4E0D;&#x8DB3;&#xFF0C;&#x5BFC;&#x81F4;cpu&#x98DA;&#x9AD8;&#xFF0C;oom</p>
<p>c) &#x7A0B;&#x5E8F;&#x8BBE;&#x8BA1;&#x95EE;&#x9898;&#x6216;&#x914D;&#x7F6E;&#x4E0D;&#x5BF9;&#xFF0C;&#x5BFC;&#x81F4;&#x5783;&#x573E;&#x56DE;&#x6536;&#x8FC7;&#x4E8E;&#x9891;&#x7E41;&#xFF0C;stw</p>
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